File:Kalk-Natron-Glas 2D.svg - Wikimedia Commons
File:Calcium oxalate.svg - Wikimedia Commons
File:Calcium carbonate structure.svg - Wikipedia
File:Osmium-tetroxide-2D-dimensions.svg - Wikipedia
File:Tricalcium phosphate.svg - Wikipedia
File:Trithionate dianion.svg - Wikipedia
File:Carbonate.svg - Wikimedia Commons
File:Patiromer skeletal.svg - Wikipedia
File:Calcium carbonate structure.svg - Wikipedia
File:Carbonate-group-skeletal.svg - Wikipedia
File:Calcium carbonate structure.svg - Wikipedia
File:Calcium acetate.svg - Wikipedia
File:Selenit-Ion.svg - Wikimedia Commons